(function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s); js.id = id;
    js.src = "//connect.facebook.net/en_GB/sdk.js#xfbml=1&version=v2.0";
    fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));

var likeButtonHTML = '<div class="fb-like" data-href="https://telerikacademy.com/" data-width="137" data-layout="button_count" data-action="like" data-show-faces="false" data-share="false"></div>';
var likeButton = document.createElement('div');
likeButton.innerHTML = likeButtonHTML;
document.body.appendChild(likeButton);